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365a639f91
Currently, we request LED labels in OpenWrt to follow the scheme modelname:color:function However, specifying the modelname at the beginning is actually entirely useless for the devices we support in OpenWrt. In patches subsequent to this one, we will thus remove the modelname from the label definitions on various targets. To migrate the existing definitions from older installations, a migration script needs to be deployed that does modelname:color:function -> color:function e.g. dir-789:green:status -> green:status This patch introduces two functions that do exactly that: For each entry in /etc/config/system, the routine will check whether two (or more) colons are present, and then remove everything up to (and including) the first colon. For now, this will be applied unconditionally, i.e. if the function is called for a device, all labels will be cut like this. However, for a future case of mixed three-part and two-part labels, it should not be too hard to provide a function argument with exceptions to the removal. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
63 lines
1.2 KiB
Bash
63 lines
1.2 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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migrate_led_sysfs() {
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local cfg="$1"; shift
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local tuples="$@"
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local sysfs
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local name
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config_get sysfs ${cfg} sysfs
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config_get name ${cfg} name
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[ -z "${sysfs}" ] && return
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for tuple in ${tuples}; do
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local old=${tuple%=*}
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local new=${tuple#*=}
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local new_sysfs
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new_sysfs=$(echo ${sysfs} | sed "s/${old}/${new}/")
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[ "${new_sysfs}" = "${sysfs}" ] && continue
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uci set system.${cfg}.sysfs="${new_sysfs}"
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logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
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done;
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}
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remove_devicename_led_sysfs() {
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local cfg="$1"
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local sysfs
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local name
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local new_sysfs
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config_get sysfs ${cfg} sysfs
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config_get name ${cfg} name
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echo "${sysfs}" | grep -q ":.*:" || return
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new_sysfs=$(echo ${sysfs} | sed "s/^[^:]*://")
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uci set system.${cfg}.sysfs="${new_sysfs}"
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logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
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}
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migrate_leds() {
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config_load system
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config_foreach migrate_led_sysfs led "$@"
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}
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remove_devicename_leds() {
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config_load system
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config_foreach remove_devicename_led_sysfs led
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}
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migrations_apply() {
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local realm="$1"
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[ -n "$(uci changes ${realm})" ] && uci -q commit ${realm}
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}
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